using System;

public class Test
{
	public static void Main()
	{
		// your code goes here
		double a = 3.6;
    	double z = 1 - (1 / (double) 4) * Math.Pow(Math.Sin(2 * a),2) + Math.Cos(2 * a);
    	double z1 = Math.Pow(Math.Cos(a),2) + Math.Pow(Math.Cos(a), 4);
   
    	Console.WriteLine(z);
    	Console.WriteLine(z1);
	}
}